A compilationof paralleltexts offered in a serviceableformis calleda parallelcorpus.Parallelcorporaareveryvaluableresourcesin various fields of multilingualnaturallanguageprocessing such as statisticalmachinetranslation(Brown et al. , 1990),cross-lingualIR (Chenand Nie, 2000), and constructionof dictionary(Nagao, 1996).


